libdraw: use readn() to read headers and Fontchar array
the Fontchar array might be bigger than the i/o unit, so we have to use readn() to properly read it.
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parent
7cdc13accc
commit
e725771b5d
2 changed files with 4 additions and 4 deletions
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@ -19,7 +19,7 @@ readsubfonti(Display*d, char *name, int fd, Image *ai, int dolock)
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return nil;
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}
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p = nil;
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if(read(fd, hdr, 3*12) != 3*12){
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if(readn(fd, hdr, 3*12) != 3*12){
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werrstr("readsubfont: header read error: %r");
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goto Err;
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}
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@ -31,7 +31,7 @@ readsubfonti(Display*d, char *name, int fd, Image *ai, int dolock)
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p = malloc(6*(n+1));
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if(p == nil)
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goto Err;
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if(read(fd, p, 6*(n+1)) != 6*(n+1)){
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if(readn(fd, p, 6*(n+1)) != 6*(n+1)){
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werrstr("readsubfont: fontchar read error: %r");
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goto Err;
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}
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@ -20,7 +20,7 @@ openmemsubfont(char *name)
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i = readmemimage(fd);
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if(i == nil)
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goto Err;
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if(read(fd, hdr, 3*12) != 3*12){
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if(readn(fd, hdr, 3*12) != 3*12){
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werrstr("openmemsubfont: header read error: %r");
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goto Err;
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}
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@ -32,7 +32,7 @@ openmemsubfont(char *name)
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p = malloc(6*(n+1));
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if(p == nil)
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goto Err;
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if(read(fd, p, 6*(n+1)) != 6*(n+1)){
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if(readn(fd, p, 6*(n+1)) != 6*(n+1)){
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werrstr("openmemsubfont: fontchar read error: %r");
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goto Err;
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}
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