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Diffstat (limited to 'src/x11/xvertex.c')
-rw-r--r--src/x11/xvertex.c69
1 files changed, 35 insertions, 34 deletions
diff --git a/src/x11/xvertex.c b/src/x11/xvertex.c
index d58af13..e1ca7ee 100644
--- a/src/x11/xvertex.c
+++ b/src/x11/xvertex.c
@@ -122,7 +122,7 @@ static struct style_template {
/* ---------------------------------------------------------------------- */
-static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, double angle, char *text, int align);
+static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, double angle, const char *text, int len, int align);
static void XRotAddToLinkedList(Display *dpy, RotatedTextItem *item);
static XImage *XRotMagnifyImage(Display *dpy, XImage *ximage);
static void XRotFreeTextItem(Display *dpy, RotatedTextItem *item);
@@ -133,18 +133,19 @@ static void XRotFreeTextItem(Display *dpy, RotatedTextItem *item);
/* Routine to mimic `my_strdup()' (some machines don't have it) */
/**************************************************************************/
-static char *my_strdup(const char *str)
+static char *my_strdup(const char *str, int len)
{
char *s;
- int len;
if(str==NULL)
return NULL;
- len = (int)strlen(str);
s=(char *)malloc((unsigned)(len+1));
- if(s!=NULL)
- memcpy(s, str, len+1);
+ if(s!=NULL)
+ {
+ memcpy(s, str, len);
+ s[len]=0;
+ }
return s;
}
@@ -157,7 +158,7 @@ static char *my_strdup(const char *str)
static char *my_strtok(char *str1, const char *str2)
{
char *ret;
- int i, j, stop;
+ int i, j, stop, len2;
static int start, len;
static char *stext;
@@ -176,12 +177,14 @@ static char *my_strtok(char *str1, const char *str2)
if(start>=len)
return NULL;
+ len2 = strlen(str2);
+
/* loop through characters */
for(i=start; i<len; i++)
{
/* loop through delimiters */
stop=0;
- for(j=0; j<strlen(str2); j++)
+ for(j=0; j<len2; j++)
if(stext[i]==str2[j])
stop=1;
@@ -235,7 +238,7 @@ static XImage *MakeXImage(Display *dpy, int w, int h)
/* Draw a horizontal string in a quick fashion */
/**************************************************************************/
-static int XRotDrawHorizontalString(Display *dpy, XFontStruct *font, Drawable drawable, GC gc, int x, int y, const char *text, int align, int bg)
+static int XRotDrawHorizontalString(Display *dpy, XFontStruct *font, Drawable drawable, GC gc, int x, int y, const char *text, int len, int align, int bg)
{
GC my_gc;
int nl=1, i;
@@ -255,7 +258,7 @@ static int XRotDrawHorizontalString(Display *dpy, XFontStruct *font, Drawable dr
/* count number of sections in string */
if(align!=XR_LEFT)
- for(i=0; i<strlen(text)-1; i++)
+ for(i=0; i<len-1; i++)
if(text[i]=='\n')
nl++;
@@ -278,16 +281,16 @@ static int XRotDrawHorizontalString(Display *dpy, XFontStruct *font, Drawable dr
else
yp=y;
- str1=my_strdup(text);
+ str1=my_strdup(text, len);
if(str1==NULL)
return 1;
- str3=my_strtok(str1, str2);
-
/* loop through each section in the string */
+ str3=my_strtok(str1, str2);
do
{
- XTextExtents(font, str3, strlen(str3), &dir, &asc, &desc, &overall);
+ int len3 = strlen(str3);
+ XTextExtents(font, str3, len3, &dir, &asc, &desc, &overall);
/* where to draw section in x ? */
if(align==XR_TLEFT || align==XR_MLEFT || align==XR_BLEFT || align==XR_LEFT)
@@ -299,9 +302,9 @@ static int XRotDrawHorizontalString(Display *dpy, XFontStruct *font, Drawable dr
/* draw string onto bitmap */
if(!bg)
- XDrawString(dpy, drawable, my_gc, xp, yp, str3, strlen(str3));
+ XDrawString(dpy, drawable, my_gc, xp, yp, str3, len3);
else
- XDrawImageString(dpy, drawable, my_gc, xp, yp, str3, strlen(str3));
+ XDrawImageString(dpy, drawable, my_gc, xp, yp, str3, len3);
/* move to next line */
yp+=height;
@@ -324,7 +327,7 @@ static int XRotDrawHorizontalString(Display *dpy, XFontStruct *font, Drawable dr
/* request, otherwise arrange for its creation */
/**************************************************************************/
-static RotatedTextItem *XRotRetrieveFromCache(Display *dpy, XFontStruct *font, double angle, const char *text, int align)
+static RotatedTextItem *XRotRetrieveFromCache(Display *dpy, XFontStruct *font, double angle, const char *text, int len, int align)
{
Font fid;
char *font_name=NULL;
@@ -413,17 +416,17 @@ static RotatedTextItem *XRotRetrieveFromCache(Display *dpy, XFontStruct *font, d
if(!item)
{
/* create new item */
- item=XRotCreateTextItem(dpy, font, angle, text, align);
+ item=XRotCreateTextItem(dpy, font, angle, text, len, align);
if(!item)
return NULL;
/* record what it shows */
- item->text=my_strdup(text);
+ item->text=my_strdup(text, len);
/* fontname or ID */
if(font_name!=NULL)
{
- item->font_name=my_strdup(font_name);
+ item->font_name=my_strdup(font_name, strlen(font_name));
item->fid=0;
}
else
@@ -477,7 +480,7 @@ static RotatedTextItem *XRotRetrieveFromCache(Display *dpy, XFontStruct *font, d
/* Create a rotated text item */
/**************************************************************************/
-static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, double angle, char *text, int align)
+static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, double angle, const char *text, int len, int align)
{
RotatedTextItem *item=NULL;
Pixmap canvas;
@@ -507,7 +510,7 @@ static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, doub
/* count number of sections in string */
item->nl=1;
if(align!=XR_LEFT)
- for(i=0; i<strlen(text)-1; i++)
+ for(i=0; i<len-1; i++)
if(text[i]=='\n')
item->nl++;
@@ -518,7 +521,7 @@ static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, doub
str2=str2_b;
/* find width of longest section */
- str1=my_strdup(text);
+ str1=my_strdup(text, len);
if(str1==NULL)
return NULL;
@@ -535,8 +538,7 @@ static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, doub
if(str3!=NULL)
{
- XTextExtents(font, str3, strlen(str3), &dir, &asc, &desc,
- &overall);
+ XTextExtents(font, str3, strlen(str3), &dir, &asc, &desc, &overall);
if(overall.rbearing>item->max_width)
item->max_width=overall.rbearing;
@@ -590,7 +592,7 @@ static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, doub
/* start at top of bitmap */
yp=font->ascent;
- str1=my_strdup(text);
+ str1=my_strdup(text, len);
if(str1==NULL)
return NULL;
@@ -641,8 +643,7 @@ static RotatedTextItem *XRotCreateTextItem(Display *dpy, XFontStruct *font, doub
return NULL;
/* extract horizontal text */
- XGetSubImage(dpy, canvas, 0, 0, item->cols_in, item->rows_in,
- 1, XYPixmap, I_in, 0, 0);
+ XGetSubImage(dpy, canvas, 0, 0, item->cols_in, item->rows_in, 1, XYPixmap, I_in, 0, 0);
I_in->format=XYBitmap;
/* magnify horizontal text */
@@ -1073,7 +1074,7 @@ void XRotSetBoundingBoxPad(int p)
/* Calculate the bounding box some text will have when painted */
/**************************************************************************/
-XPoint *XRotTextExtents(Display* dpy, XFontStruct* font, double angle, int x, int y, const char* text, int align)
+XPoint *XRotTextExtents(Display* dpy, XFontStruct* font, double angle, int x, int y, const char* text, int len, int align)
{
register int i;
char *str1, *str2, *str3;
@@ -1099,7 +1100,7 @@ XPoint *XRotTextExtents(Display* dpy, XFontStruct* font, double angle, int x, in
/* count number of sections in string */
nl=1;
if(align!=XR_LEFT)
- for(i=0; i<strlen(text)-1; i++)
+ for(i=0; i<len-1; i++)
if(text[i]=='\n')
nl++;
@@ -1110,7 +1111,7 @@ XPoint *XRotTextExtents(Display* dpy, XFontStruct* font, double angle, int x, in
str2=str2_b;
/* find width of longest section */
- str1=my_strdup(text);
+ str1=my_strdup(text, len);
if(str1==NULL)
return NULL;
@@ -1208,7 +1209,7 @@ XPoint *XRotTextExtents(Display* dpy, XFontStruct* font, double angle, int x, in
/* Aligns and paints a rotated string */
/**************************************************************************/
-int XRotDrawString(Display* dpy, XFontStruct* font, double angle, Drawable drawable, GC gc, int x, int y, const char* text, int align, int bg)
+int XRotDrawString(Display* dpy, XFontStruct* font, double angle, Drawable drawable, GC gc, int x, int y, const char* text, int len, int align, int bg)
{
int i;
GC my_gc;
@@ -1230,10 +1231,10 @@ int XRotDrawString(Display* dpy, XFontStruct* font, double angle, Drawable drawa
/* horizontal text made easy */
if(angle==0. && style.magnify==1.)
- return(XRotDrawHorizontalString(dpy, font, drawable, gc, x, y, text, align, bg));
+ return(XRotDrawHorizontalString(dpy, font, drawable, gc, x, y, text, len, align, bg));
/* get a rotated bitmap */
- item=XRotRetrieveFromCache(dpy, font, angle, text, align);
+ item=XRotRetrieveFromCache(dpy, font, angle, text, len, align);
if(item==NULL)
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 12:04:12 +0000