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refactor string funcs

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Jfreegman 2014-06-21 17:55:01 -04:00
parent 62239a1fda
commit 6b9ef7e6c9
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GPG Key ID: 3627F3144076AE63
1 changed files with 10 additions and 27 deletions
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37
src/toxic_strings.c
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@ -26,6 +26,7 @@
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "toxic.h"
#include "windows.h"
@ -38,14 +39,9 @@ void add_char_to_buf(ChatContext *ctx, wint_t ch)
if (ctx->pos < 0 || ctx->len >= MAX_STR_SIZE)
return;
/* move all chars including null in front of pos one space forward and insert char in pos */
int i;
for (i = ctx->len; i >= ctx->pos && i >= 0; --i)
ctx->line[i + 1] = ctx->line[i];
wmemmove(&ctx->line[ctx->pos + 1], &ctx->line[ctx->pos], ctx->len - ctx->pos);
ctx->line[ctx->pos++] = ch;
++ctx->len;
ctx->line[++ctx->len] = L'\0';
}
/* Deletes the character before pos */
@ -54,14 +50,9 @@ void del_char_buf_bck(ChatContext *ctx)
if (ctx->pos <= 0)
return;
int i;
/* similar to add_char_to_buf but deletes a char */
for (i = ctx->pos - 1; i <= ctx->len; ++i)
ctx->line[i] = ctx->line[i + 1];
wmemmove(&ctx->line[ctx->pos - 1], &ctx->line[ctx->pos], ctx->len - ctx->pos);
--ctx->pos;
--ctx->len;
ctx->line[--ctx->len] = L'\0';
}
/* Deletes the character at pos */
@ -70,12 +61,8 @@ void del_char_buf_frnt(ChatContext *ctx)
if (ctx->pos < 0 || ctx->pos >= ctx->len)
return;
int i;
for (i = ctx->pos; i < ctx->len; ++i)
ctx->line[i] = ctx->line[i + 1];
--ctx->len;
wmemmove(&ctx->line[ctx->pos], &ctx->line[ctx->pos + 1], ctx->len - ctx->pos - 1);
ctx->line[--ctx->len] = L'\0';
}
/* Deletes the line from beginning to pos */
@ -84,15 +71,11 @@ void discard_buf(ChatContext *ctx)
if (ctx->pos <= 0)
return;
int i;
int c = 0;
for (i = ctx->pos; i <= ctx->len; ++i)
ctx->line[c++] = ctx->line[i];
wmemmove(ctx->line, &ctx->line[ctx->pos], ctx->len - ctx->pos);
ctx->len -= ctx->pos;
ctx->pos = 0;
ctx->start = 0;
ctx->len = c - 1;
ctx->line[ctx->len] = L'\0';
}
/* Deletes the line from pos to len */