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$NetBSD: patch-am,v 1.1.2.2 2004/12/13 18:03:27 salo Exp $
--- gdk_imlib/io-xpm.c.orig 2002-03-04 18:06:29.000000000 +0100
+++ gdk_imlib/io-xpm.c 2004-12-10 10:00:56.000000000 +0100
@@ -40,8 +40,12 @@
context = 0;
i = j = 0;
cmap = NULL;
+ memset(lookup, 0, sizeof(lookup));
line = malloc(lsz);
+ if (!line)
+ return NULL;
+
while (!done)
{
pc = c;
@@ -70,25 +74,25 @@
{
/* Header */
sscanf(line, "%i %i %i %i", w, h, &ncolors, &cpp);
- if (ncolors > 32766)
+ if (ncolors <= 0 || ncolors > 32766)
{
fprintf(stderr, "gdk_imlib ERROR: XPM files wth colors > 32766 not supported\n");
free(line);
return NULL;
}
- if (cpp > 5)
+ if (cpp <= 0 || cpp > 5)
{
fprintf(stderr, "gdk_imlib ERROR: XPM files with characters per pixel > 5 not supported\n");
free(line);
return NULL;
}
- if (*w > 32767)
+ if (*w <= 0 || *w > 32767)
{
fprintf(stderr, "gdk_imlib ERROR: Image width > 32767 pixels for file\n");
free(line);
return NULL;
}
- if (*h > 32767)
+ if (*h <= 0 || *h > 32767)
{
fprintf(stderr, "gdk_imlib ERROR: Image height > 32767 pixels for file\n");
free(line);
@@ -120,11 +124,13 @@
{
int slen;
int hascolor, iscolor;
+ int space;
hascolor = 0;
iscolor = 0;
tok[0] = 0;
col[0] = 0;
+ space = sizeof(col) - 1;
s[0] = 0;
len = strlen(line);
strncpy(cmap[j].str, line, cpp);
@@ -147,10 +153,10 @@
{
if (k >= len)
{
- if (col[0])
- strcat(col, " ");
- if (strlen(col) + strlen(s) < sizeof(col))
- strcat(col, s);
+ if (col[0] && space > 0)
+ strncat(col, " ", space), space -= 1;
+ if (slen <= space)
+ strcat(col, s), space -= slen;
}
if (col[0])
{
@@ -180,14 +186,17 @@
}
}
}
+ if (slen < sizeof(tok))
strcpy(tok, s);
col[0] = 0;
+ space = sizeof(col) - 1;
}
else
{
- if (col[0])
- strcat(col, " ");
- strcat(col, s);
+ if (col[0] && space > 0)
+ strcat(col, " "), space -= 1;
+ if (slen <= space)
+ strcat(col, s), space -= slen;
}
}
}
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