diff options
Diffstat (limited to 'src/text.c')
| -rw-r--r-- | src/text.c | 26 |
1 files changed, 23 insertions, 3 deletions
@@ -21,6 +21,7 @@ #include "text.h" +#include <assert.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -47,6 +48,10 @@ _getc(struct text *text, FILE *stream, unsigned char *c) { int i_c; + assert(text); + assert(stream); + assert(c); + if (text->read == text->size) { text->size += 8192; text->string = realloc(text->string, text->size); @@ -67,9 +72,8 @@ text_new(FILE *stream) int eol; unsigned char c; - if (!stream) { - return NULL; - } + assert(stream); + text = calloc(1, sizeof(*text)); if (!text) { error(_("Cannot allocate memory for text object")); @@ -114,24 +118,34 @@ text_new(FILE *stream) size_t text_get_width(const struct text *text) { + assert(text); + return text->width; } size_t text_get_height(const struct text *text) { + assert(text); + return text->height; } size_t text_set_width(struct text *text, size_t width) { + assert(text); + assert(width > 0); + return text->width = MAX(text->width, width); } size_t text_set_height(struct text *text, size_t height) { + assert(text); + assert(height > 0); + return text->height = MAX(text->height, height); } @@ -146,6 +160,10 @@ text_render(const struct text *text, const struct font *font, png_bytepp rows) png_color fg = {170, 170, 170}; png_color bg = { 0, 0, 0}; + assert(text); + assert(font); + assert(rows); + string_start = calloc(strlen((char *) text->string) + 1, sizeof(*text->string)); if (!string_start) { @@ -198,6 +216,8 @@ text_destroy(struct text **text_p) { struct text *text; + assert(text_p && *text_p); + text = *text_p; free(text->string); |