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errno is not set for FILE I/O so we do our best

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This commit is contained in:
krangelov
2021-09-17 10:06:11 +02:00
parent a8bda009a4
commit 3f31d86d0d
5 changed files with 20 additions and 24 deletions
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17
src/runtime/c/pgf/writer.cxx
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@@ -2,10 +2,9 @@
#include "data.h"
#include "writer.h"
PgfWriter::PgfWriter(FILE *out, const char *filepath)
PgfWriter::PgfWriter(FILE *out)
{
this->out = out;
this->filepath = filepath;
this->abstract = 0;
}
@@ -13,7 +12,7 @@ void PgfWriter::write_uint8(uint8_t b)
{
size_t n_items = fwrite(&b, sizeof(b), 1, out);
if (ferror(out))
throw pgf_systemerror(ferror(out), filepath);
throw pgf_error("an error occured while writing out the grammar");
if (n_items != 1)
throw pgf_error("couldn't write to the output file");
}
@@ -26,7 +25,7 @@ void PgfWriter::write_u16be(uint16_t u)
size_t n_items = fwrite(&buf, sizeof(buf), 1, out);
if (ferror(out))
throw pgf_systemerror(ferror(out), filepath);
throw pgf_error("an error occured while writing out the grammar");
if (n_items != 1)
throw pgf_error("couldn't write to the output file");
}
@@ -45,7 +44,7 @@ void PgfWriter::write_u64be(uint64_t u)
size_t n_items = fwrite(&buf, sizeof(buf), 1, out);
if (ferror(out))
throw pgf_systemerror(ferror(out), filepath);
throw pgf_error("an error occured while writing out the grammar");
if (n_items != 1)
throw pgf_error("couldn't write to the output file");
}
@@ -90,7 +89,7 @@ void PgfWriter::write_uint(uint64_t u)
if (u == 0) {
size_t n_items = fwrite(&b, sizeof(b), 1, out);
if (ferror(out))
throw pgf_systemerror(ferror(out), filepath);
throw pgf_error("an error occured while writing out the grammar");
if (n_items != 1)
throw pgf_error("couldn't write to the output file");
@@ -100,7 +99,7 @@ void PgfWriter::write_uint(uint64_t u)
size_t n_items = fwrite(&b, sizeof(b), 1, out);
if (ferror(out))
throw pgf_systemerror(ferror(out), filepath);
throw pgf_error("an error occured while writing out the grammar");
if (n_items != 1)
throw pgf_error("couldn't write to the output file");
}
@@ -112,7 +111,7 @@ void PgfWriter::write_name(PgfText *text)
write_len(text->size);
size_t n_items = fwrite(&text->text, text->size, 1, out);
if (ferror(out))
throw pgf_systemerror(ferror(out), filepath);
throw pgf_error("an error occured while writing out the grammar");
if (n_items != 1)
throw pgf_error("couldn't write to the output file");
}
@@ -128,7 +127,7 @@ void PgfWriter::write_text(PgfText *text)
write_len(len);
size_t n_items = fwrite(&text->text, text->size, 1, out);
if (ferror(out))
throw pgf_systemerror(ferror(out), filepath);
throw pgf_error("an error occured while writing out the grammar");
if (n_items != 1)
throw pgf_error("couldn't write to the output file");
}