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comparison th_ioctx_mem.c @ 718:ffd97ca9dfce

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Check for length > 0.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 11 Nov 2020 13:23:24 +0200
parents e73200c4584a
children d51c277bea6b
comparison
equal deleted inserted replaced
717:e73200c4584a 718:ffd97ca9dfce
189 { 189 {
190 nmemb = (ctx->memSize - ctx->memOffset) / size; 190 nmemb = (ctx->memSize - ctx->memOffset) / size;
191 length = size * nmemb; 191 length = size * nmemb;
192 } 192 }
193 193
194 memcpy(buf, ctx->memData + ctx->memOffset, length); 194 if (length > 0)
195 ctx->memOffset += length; 195 {
196 memcpy(buf, ctx->memData + ctx->memOffset, length);
197 ctx->memOffset += length;
198 }
199
196 return nmemb; 200 return nmemb;
197 } 201 }
198 202
199 203
200 static int th_mem_fputc(int ch, th_ioctx *ctx) 204 static int th_mem_fputc(int ch, th_ioctx *ctx)